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Prague-based cybersecurity and connectivity engineering firm building quantum-resistant IoT security, CRA compliance tooling, and private 5G networks.

Last updated September 28, 2026

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Overview

i46 s.r.o. is a Czech technology company headquartered in Prague with an on-site laboratory, operating at the intersection of cybersecurity, regulatory compliance, and advanced connectivity. According to its official website, the company describes itself as building "quantum-resistant security and self-sovereign identity for the connected world," spanning from IoT devices on factory floors to 5G networks reaching into tunnels, mines, and orbit. Its stated mission centers on "Tomorrow's trust infrastructure." The company organizes its commercial activity around four converging pillars: Security, Compliance, Networks, and Research. Its product portfolio includes DISK46, an automated full-disk encryption solution for Raspberry Pi and similar hardware lacking a Secure Element; WATCH46, a continuous CRA compliance monitoring platform for deployed IoT fleets; CELL46, a private 5G and connectivity offering; and SBOM46, a free web-based tool that generates CRA-Article-14-ready compliance reports from uploaded SBOMs. The company also offers a CRA Readiness Service with a free gap diagnostic leading into full TR-3183 documentation, and a 5G Living Lab. i46 has been selected for several competitive European research and development programs, including Horizon Europe, the European Space Agency, Eurostars, and Innowwide. Its website lists references from Rinicom, ELA CZ, Inside Industry Association, FIDAL, TARGET-X, and CyberSecDome. The company reports dataset scale of over 300 million IoT records and operates a Prague-based testing laboratory supporting devices through CRA certification. A notable recent release is SpaceBox Lite, a free end-to-end encrypted file-drop service using post-quantum ML-KEM-768 cryptography, requiring no account, card, or email, with encryption performed on the user's device before upload and anonymous senders. The company positions itself as a single engineering practice spanning compliance, cybersecurity, and 5G, with each commercial offering scoped, priced, and staffed by the same team that runs its research lab.

History

i46 s.r.o. is a company based in Prague, Czechia, as recorded in Wikidata. Public evidence about its founding date, founders, and early history is not available in the supplied sources. The company's official website presents it as an engineering practice operating across four converging frontiers: Security, Compliance, Networks, and Research. It states that it builds quantum-resistant security and self-sovereign identity for the connected world, from IoT devices on the factory floor to 5G networks reaching into tunnels, mines, and orbit. The company has been selected for competitive research and development programs across the European Union, including Horizon Europe, the European Space Agency, Eurostars, and Innowwide. Its website lists references from Rinicom, ELA CZ, Inside Industry Association, FIDAL, TARGET-X, and CyberSecDome. It reports a dataset scale of over 300 million IoT records and operates a Prague-based laboratory. Its commercial portfolio is organized into seven offerings across three disciplines: Compliance, Cybersecurity, and 5G & connectivity. These include the CRA Readiness Service (a free diagnostic leading to a full TR-3183 dossier), WATCH46 (continuous CRA compliance monitoring for IoT fleets), SBOM46 (a free web tool for CRA-Article-14-ready reports), DISK46 (automated full-disk encryption for Raspberry Pi and similar hardware), CELL46 (private 5G and connectivity), a 5G Living Lab, and training datasets. The company states that each offering is scoped, priced, and staffed by the same team that runs its research lab. A recent product release is SpaceBox Lite, a free end-to-end encrypted file-drop service using post-quantum ML-KEM-768 cryptography. It requires no account, card, or email, encrypts files on the user's device before upload, and keeps senders anonymous. The company positions itself around the EU Cyber Resilience Act mandate and describes its laboratory as Prague-based, supporting devices through CRA certification.

  • Selected for Horizon Europe, European Space Agency, Eurostars, and Innowwide programs

    [1]
  • SpaceBox Lite released

    [1]

Products and positioning

Quantum-resistant security and self-sovereign identity for the connected world; a single engineering practice across compliance, cybersecurity, and 5G.

  • DISK46

    Automated full-disk encryption for Raspberry Pi and similar IoT hardware lacking a Secure Element. Each device gets a unique image and a unique LUKS key, fetched at boot from a secure key server. CRA and GDPR compliant.

  • WATCH46

    Continuous CRA compliance for deployed IoT fleets. A lightweight on-device agent and a central console: CVE tracking, fleet inventory, automated risk reporting. Cloud or on-prem.

  • CELL46

    Private 5G and connectivity offering, including portable 5G standalone, private LTE testbeds, and device-to-device authentication.

  • SBOM46

    Free web tool at sbom.i46.cz. Upload an SBOM and vulnerability list to get a CRA-Article-14-ready compliance report, cross-referenced with NVD and EUVD, with EOL components flagged.

  • SpaceBox Lite

    Free end-to-end encrypted file drops using post-quantum ML-KEM-768. No account, card, or email required; encrypted on the user's device before upload; senders stay anonymous.

  • CRA Readiness Service

    Begin with a complimentary gap diagnostic; continue into the full TR-3183 dossier: assessment and documentation by the same team that does the certification work.

  • 5G Living Lab

    A 5G living lab offering within the company's 5G & connectivity discipline.

  • Training datasets

    Training datasets offered within the company's cybersecurity discipline.

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